Explanation:Peek operation or function is the method that is used for the returning of the values on the front of the queue or stack type datatypes. This operation function over those datatypes having group or collection of the elements and does not eliminate any element from the queue.
NOsuchElemnet exception is shown when there is the peek operation in the queue for the element to be displayed on the top and no deletion can take place .Thus, the correct option is option(D).
This is not really true, so is this supposed to be like a true or false question? If so then I would say this is false, because a lot of smaller people post on blogs it is not all typically large companies or organizations.
Colleges care a lot more about your math skills than computer stuff, even for computer science. Make sure you still do some computer science stuff (esp. if it's extracurricular) but focus on improving your math.